contrib-munin/plugins/disk/xfs_frag

68 lines
1.2 KiB
Plaintext
Raw Normal View History

#!/bin/bash
: <<=cut
=head1 NAME
xfs_frag - Munin plugin to monitor the fragmentation level on your XFS filesystems
=head1 APPLICABLE SYSTEMS
Any machine with an XFS file system.
=head1 CONFIGURATION
None, generally, but you may want to run as root and set a timeout.
[xfs_frag]
user root
timeout 90
=head1 MAGIC MARKERS
#%# family=auto contrib
#%# capabilities=
=head1 VERSION
1
=head1 AUTHOR
Paul Saunders L<darac+munin@darac.org.uk>
=cut
declare -a ARRY
shopt -s nocasematch
case $1 in
config)
cat <<'EOF'
graph_title XFS fragmentation
graph_vlabel Percent
graph_category disk
EOF
cat /etc/mtab | awk '{print $2 " " $3}' | while read LINE
do
ARRY=($LINE)
if [[ ${ARRY[1]} =~ xfs ]]; then
FIELDNAME=$(echo ${ARRY[0]} | sed 's/^[^A-Za-z_]/_/; s/[^A-Za-z0-9_]/_/g')
echo "$FIELDNAME.label ${ARRY[0]}"
echo "$FIELDNAME.type GAUGE"
fi
done
exit 0
;;
esac
cat /etc/mtab | awk '{print $2 " " $3 " " $1}' | while read LINE
do
ARRY=($LINE)
if [[ ${ARRY[1]} =~ xfs ]]; then
FIELDNAME=$(echo ${ARRY[0]} | sed 's/^[^A-Za-z_]/_/; s/[^A-Za-z0-9_]/_/g')
FRAG=$(xfs_db -c frag -r ${ARRY[2]} | sed 's/.*fragmentation factor \(.*\)%.*/\1/')
echo $FIELDNAME.value $FRAG
fi
done